LECTURE NOTES Flashcards
oh yay
PRECAMBRIAN ERA TIME BEGINNING AND ENDING
13.7 bya-570mya
PRECAMBRIAN ERA IMPORTANT EVENT AT 13.7bya
big bang occurs
PRE CAMBRIAN ERA IMPORTANT EVENT AT 4.5bya
earth forms
PRE CAMBRIAN ERA IMPORTANT EVENT AT 3.5bya
life beings in oceans
PRECAMBRIAN ERA IMPORTANT EVENT AT 3.2 bya
first life forms (fossils) of prokaryotes
Where were two sources of precambrian life found?
FIG TREE ROCK (S.AFRICA) and WESTERN AUSTRALIA
IMPORTANT EVENT IN PRECAMBRIAN ERA at 2.5 billion years ago?
multicellular life present
PALEOZOIC ERA TIME SPAN
570mya-280mya
PALEOZOIC ERA- CAMBRIAN START-
570mya
PALEOZOIC ERA- ORDOVICIAN START-
500 mya
PALEOZOIC PERIOD SILURIAN START-
430 mya
PALEOZOIC PERIOD DEVONIAN START
395 mya
PALEOZOIC PERIOD CARBONIFEROUS START
345mya
PALEOZOIC PERIOD PERMIAN ERA START
280mya
MEZOZOIC PERIOD TRIASSIC START
225mya
MEZOZOIC PERIOD JURASSIC START
190mya
MEZOZOIC PERIOD CRETACIOUS TIME
136mya
CENOZOIC PERIOD TERTIARY START
65mya
CENOZOIC PERIOD QUARTERNARY START
1.8mya
CENOZOIC TERTIARARY PLIOCENE EPOCH START
5mya
TERTIARY MIOCENE EPOCH START
23mya
TERTIARY OLIGOCENE EPOCH START
34mya
TERTIARY EOCENE EPOCH START
55mya
TERTIARY PALEOCENE EPOCH START
65mya
CENOZOIC TIME FRAME
1.8mya-65mya
QUARTERNARY HOLOCENE START
.01mya
QUARTERNARY PLESITOCENE ERA START
1.8mya
CAMBRIAN AGE NAME
“AGE OF INVERTEBRATES”-floaters and trilobites present
ORDOVICIAN ERA FINDS
FISH
SILURIAN FINDS
JAWED FISH, AIR BREATHING ANIMALS, LAND PLANTS AND INSECTS
DEVONIAN NAME
“AGE OF FISHES”- AMPHIBIANS APPEAR
CARBONIFEROUS PERIOD FINDS
FIRST REPTILES, AMPHIBIAN RADIATION
PERMIAN AGE FINDS
REPTILE AND MAMMAL LIKE CREATURES APPEAR
TRIASSIC PERIOD FINDS
1st DINOSAURS, EGG LAYING MAMMALS and MARCUPIALS
CRETACEOUS PERIOD FINDS
THERAPSIDS-MAMMAL LIKE REPTILES
K2 EXTINCTION EVENT TIME
65mya
WHO FOUND THE k2?
ALVAREZ
FEATURES OF PRIMATES
generalized limbs, mobile digits, opposable thumbs, sensitive digits, no claws, small snout, bigger brain
Plesiadapiformes
only fossil from paleocene era, a primate like mammal and forward facing eyes
Dermoptera
flying squirrel
carpolestes
5 fingers and toes, opposable thumbs, arboreal, but unable to leap
scandentia
tree shrew-Hunan-2133/3133 dentation
PALEOCENE NAME
PRIMATE LIKE MAMMALS
EOCENE PERIOD
HEY DAY OF PROSIMIANS (ADAPOIDS AND OMOYOIDS)
ADAPOID-AMPHIPITHECIDS
found in ASIA
ADAPOID-NORTHCARCITIDS
found in NOrth America
ADAPOID-MAHGARITA
LAST adapoid in N.America
ADAPOID- CANTIUS
diurnal creature
ADAPOID-ADAPIS
discovered by Cuvier
OMOYOID-Eusmids
unknown
OMOYOID-ROONEYIA
last one in N.America
OMOYOID- NECROLEMUR
closely related to Tarsiers, fused lower leg bones)
OMOYOID-TEILHARDINA
found on 3 continents, most PRIMITIVE found in Asia
ELWYN SIMONS
professor who did studies in Egypt-El Fayum
OLGIOCENE PERIOD NAME
GREAT ADAPOID RADIATION
WHAT DID SIMMONS FIND?
PARAPITHICUS-related to NEW world monkey
BIRTETIA-most complete remains
Angyptopithecus- ancestor of old world monkeys and hominids
Catopithecus- anthropoid features and catarrhine features
MIOCENE- 23-5 mya
RISE AND FALL OF THE APES
Proconsulids
APES- 23mya to 13mya FIRST DENTAL APES
PROCONSULIDS WERE FOUND WHERE AND BY WHO?
MARY LEAKEY IN THE 1940’s in RUSINGA ISLANDS
DRYOPITHECUS
SALVADOR MOYA SOLA- 16mya to 8mya APE outside of africa
SIVAPITHECUS-8mya
INDIA parents of orangutans